445704459 has 4 divisors (see below), whose sum is σ = 594272616. Its totient is φ = 297136304.

The previous prime is 445704449. The next prime is 445704461. The reversal of 445704459 is 954407544.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 445704459 - 2¹⁹ = 445180171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 445704459.

It is not an unprimeable number, because it can be changed into a prime (445704449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74284074 + ... + 74284079.

It is an arithmetic number, because the mean of its divisors is an integer number (148568154).

Almost surely, 2^445704459 is an apocalyptic number.

445704459 is a deficient number, since it is larger than the sum of its proper divisors (148568157).

445704459 is a wasteful number, since it uses less digits than its factorization.

445704459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148568156.

The product of its (nonzero) digits is 403200, while the sum is 42.

The square root of 445704459 is about 21111.7137864267. The cubic root of 445704459 is about 763.8633262227.

The spelling of 445704459 in words is "four hundred forty-five million, seven hundred four thousand, four hundred fifty-nine".